Home / 492,037,755.12-738,063,786.60-128,532,150

Finding the Fourth Proportional to 492,037,755.12, 738,063,786.60 and 128,532,150

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Solution

The fourth proportional to 492,037,755.12, 738,063,786.60 and 128,532,150 is: 192,800,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,037,755.12 : 738,063,786.60 = 128,532,150 : x
  2. Step 2: Convert to fraction form
    492,037,755.12/738,063,786.60 = 128,532,150/x
  3. Step 3: Cross multiply
    492,037,755.12x = 738,063,786.60 × 128,532,150
  4. Step 4: Simplify right side
    492,037,755.12x = 94,864,925,328,839,200
  5. Step 5: Solve for x
    x = 94,864,925,328,839,200/492,037,755.12
  6. Step 6: Final answer
    x = 192,800,093.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.